/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:50:18,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:50:18,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:50:18,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:50:18,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:50:18,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:50:18,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:50:18,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:50:18,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:50:19,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:50:19,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:50:19,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:50:19,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:50:19,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:50:19,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:50:19,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:50:19,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:50:19,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:50:19,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:50:19,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:50:19,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:50:19,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:50:19,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:50:19,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:50:19,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:50:19,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:50:19,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:50:19,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:50:19,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:50:19,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:50:19,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:50:19,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:50:19,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:50:19,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:50:19,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:50:19,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:50:19,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:50:19,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:50:19,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:50:19,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:50:19,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:50:19,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:50:19,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:50:19,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:50:19,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:50:19,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:50:19,083 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:50:19,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:50:19,086 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:50:19,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:50:19,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:50:19,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:50:19,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:50:19,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:50:19,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:50:19,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:50:19,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:50:19,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:50:19,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:50:19,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:50:19,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:50:19,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:50:19,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:50:19,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:50:19,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:50:19,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:50:19,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:50:19,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:50:19,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:50:19,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:50:19,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:50:19,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:50:19,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:50:19,367 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:50:19,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:50:19,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:50:19,372 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:50:19,373 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c [2020-07-19 22:50:19,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a5514ab/c8259bbc1bf04a8285b37d9f9876d49e/FLAGdc7b7e2cd [2020-07-19 22:50:19,994 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:50:19,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product27.cil.c [2020-07-19 22:50:20,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a5514ab/c8259bbc1bf04a8285b37d9f9876d49e/FLAGdc7b7e2cd [2020-07-19 22:50:20,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a5514ab/c8259bbc1bf04a8285b37d9f9876d49e [2020-07-19 22:50:20,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:50:20,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:50:20,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:50:20,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:50:20,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:50:20,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:20,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7030310c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20, skipping insertion in model container [2020-07-19 22:50:20,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:20,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:50:20,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:50:20,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:50:20,767 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:50:20,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:50:20,924 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:50:20,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20 WrapperNode [2020-07-19 22:50:20,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:50:20,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:50:20,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:50:20,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:50:20,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:20,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:20,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:20,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:20,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:21,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:21,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... [2020-07-19 22:50:21,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:50:21,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:50:21,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:50:21,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:50:21,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:50:21,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:50:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:50:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:50:21,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:50:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:50:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:50:21,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:50:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:50:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:50:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:50:21,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:50:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:50:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:50:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:50:21,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:50:21,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:50:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:50:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:50:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:50:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:50:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:50:21,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:50:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:50:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:50:21,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:50:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:50:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:50:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:50:21,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:50:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:50:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:50:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:50:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:50:21,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:50:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:50:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:50:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:50:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:50:21,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:50:21,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:50:21,124 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:50:21,125 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:50:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:50:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:50:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 22:50:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:50:21,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:50:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:50:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:50:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:50:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:50:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:50:21,127 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:50:21,128 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:50:21,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:50:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:50:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:50:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:50:21,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:50:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:50:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:50:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:50:21,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:50:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:50:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:50:21,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:50:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:50:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:50:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:50:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:50:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:50:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:50:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:50:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:50:22,139 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:50:22,140 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:50:22,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:50:22 BoogieIcfgContainer [2020-07-19 22:50:22,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:50:22,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:50:22,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:50:22,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:50:22,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:50:20" (1/3) ... [2020-07-19 22:50:22,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608b348e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:50:22, skipping insertion in model container [2020-07-19 22:50:22,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:50:20" (2/3) ... [2020-07-19 22:50:22,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608b348e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:50:22, skipping insertion in model container [2020-07-19 22:50:22,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:50:22" (3/3) ... [2020-07-19 22:50:22,153 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27.cil.c [2020-07-19 22:50:22,164 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:50:22,173 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:50:22,185 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:50:22,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:50:22,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:50:22,211 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:50:22,211 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:50:22,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:50:22,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:50:22,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:50:22,212 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:50:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-19 22:50:22,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:50:22,243 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:22,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:22,245 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:22,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:22,251 INFO L82 PathProgramCache]: Analyzing trace with hash -527888635, now seen corresponding path program 1 times [2020-07-19 22:50:22,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:22,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709928635] [2020-07-19 22:50:22,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28660de5 [2020-07-19 22:50:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,909 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:23,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709928635] [2020-07-19 22:50:23,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:23,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:50:23,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468784090] [2020-07-19 22:50:23,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:50:23,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:23,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:50:23,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:50:23,028 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-07-19 22:50:24,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:24,081 INFO L93 Difference]: Finished difference Result 273 states and 360 transitions. [2020-07-19 22:50:24,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:50:24,083 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 22:50:24,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:24,098 INFO L225 Difference]: With dead ends: 273 [2020-07-19 22:50:24,098 INFO L226 Difference]: Without dead ends: 148 [2020-07-19 22:50:24,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:50:24,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-19 22:50:24,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2020-07-19 22:50:24,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-07-19 22:50:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-07-19 22:50:24,186 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 52 [2020-07-19 22:50:24,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:24,187 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-07-19 22:50:24,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:50:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-07-19 22:50:24,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 22:50:24,191 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:24,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:24,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:50:24,192 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:24,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:24,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1019297795, now seen corresponding path program 1 times [2020-07-19 22:50:24,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:24,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506717583] [2020-07-19 22:50:24,193 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28660de5 [2020-07-19 22:50:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,525 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:24,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506717583] [2020-07-19 22:50:24,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:24,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:50:24,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180704501] [2020-07-19 22:50:24,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:50:24,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:24,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:50:24,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:50:24,573 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 4 states. [2020-07-19 22:50:24,980 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:25,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:25,688 INFO L93 Difference]: Finished difference Result 200 states and 243 transitions. [2020-07-19 22:50:25,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:50:25,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 22:50:25,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:25,692 INFO L225 Difference]: With dead ends: 200 [2020-07-19 22:50:25,692 INFO L226 Difference]: Without dead ends: 132 [2020-07-19 22:50:25,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:50:25,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-19 22:50:25,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 107. [2020-07-19 22:50:25,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-19 22:50:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2020-07-19 22:50:25,729 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53 [2020-07-19 22:50:25,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:25,729 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2020-07-19 22:50:25,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:50:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2020-07-19 22:50:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:50:25,732 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:25,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:25,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:50:25,732 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:25,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:25,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1975816461, now seen corresponding path program 1 times [2020-07-19 22:50:25,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:25,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883922196] [2020-07-19 22:50:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28660de5 [2020-07-19 22:50:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,104 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:26,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:26,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883922196] [2020-07-19 22:50:26,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:26,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:26,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415121657] [2020-07-19 22:50:26,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:26,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:26,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:26,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:26,242 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 8 states. [2020-07-19 22:50:26,582 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:26,905 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:50:27,180 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:27,413 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:28,169 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:50:29,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:29,710 INFO L93 Difference]: Finished difference Result 375 states and 465 transitions. [2020-07-19 22:50:29,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:50:29,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 22:50:29,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:29,719 INFO L225 Difference]: With dead ends: 375 [2020-07-19 22:50:29,719 INFO L226 Difference]: Without dead ends: 292 [2020-07-19 22:50:29,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:50:29,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-19 22:50:29,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 238. [2020-07-19 22:50:29,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-19 22:50:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 287 transitions. [2020-07-19 22:50:29,790 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 287 transitions. Word has length 57 [2020-07-19 22:50:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:29,790 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 287 transitions. [2020-07-19 22:50:29,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 287 transitions. [2020-07-19 22:50:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-19 22:50:29,794 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:29,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:29,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:50:29,794 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:29,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:29,795 INFO L82 PathProgramCache]: Analyzing trace with hash -872029399, now seen corresponding path program 1 times [2020-07-19 22:50:29,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:29,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880424035] [2020-07-19 22:50:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28660de5 [2020-07-19 22:50:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,071 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:50:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:50:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:50:30,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880424035] [2020-07-19 22:50:30,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:50:30,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:50:30,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730833156] [2020-07-19 22:50:30,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:50:30,180 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:50:30,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:50:30,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:50:30,181 INFO L87 Difference]: Start difference. First operand 238 states and 287 transitions. Second operand 8 states. [2020-07-19 22:50:30,600 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:31,883 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:32,210 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:32,466 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:50:32,727 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:50:33,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:50:33,331 INFO L93 Difference]: Finished difference Result 726 states and 953 transitions. [2020-07-19 22:50:33,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:50:33,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-19 22:50:33,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:50:33,338 INFO L225 Difference]: With dead ends: 726 [2020-07-19 22:50:33,339 INFO L226 Difference]: Without dead ends: 512 [2020-07-19 22:50:33,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:50:33,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-07-19 22:50:33,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 449. [2020-07-19 22:50:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-07-19 22:50:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 555 transitions. [2020-07-19 22:50:33,445 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 555 transitions. Word has length 63 [2020-07-19 22:50:33,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:50:33,445 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 555 transitions. [2020-07-19 22:50:33,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:50:33,446 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 555 transitions. [2020-07-19 22:50:33,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-19 22:50:33,450 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:50:33,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:50:33,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:50:33,450 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:50:33,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:50:33,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1867456273, now seen corresponding path program 1 times [2020-07-19 22:50:33,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:50:33,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899060490] [2020-07-19 22:50:33,451 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@28660de5 [2020-07-19 22:50:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:50:33,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:50:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 22:50:33,547 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 22:50:33,615 INFO L174 FreeRefinementEngine]: Strategy CAMEL_SMT_AM found a feasible trace [2020-07-19 22:50:33,615 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 22:50:33,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:50:33,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:50:33 BoogieIcfgContainer [2020-07-19 22:50:33,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:50:33,799 INFO L168 Benchmark]: Toolchain (without parser) took 13501.64 ms. Allocated memory was 139.5 MB in the beginning and 458.8 MB in the end (delta: 319.3 MB). Free memory was 103.3 MB in the beginning and 273.5 MB in the end (delta: -170.2 MB). Peak memory consumption was 149.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:33,800 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-19 22:50:33,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.33 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 172.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:33,801 INFO L168 Benchmark]: Boogie Preprocessor took 88.41 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:33,802 INFO L168 Benchmark]: RCFGBuilder took 1131.38 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 194.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:33,803 INFO L168 Benchmark]: TraceAbstraction took 11649.20 ms. Allocated memory was 234.9 MB in the beginning and 458.8 MB in the end (delta: 223.9 MB). Free memory was 193.2 MB in the beginning and 273.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 143.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:50:33,808 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.33 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 172.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.41 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1131.38 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 194.6 MB in the end (delta: -26.2 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11649.20 ms. Allocated memory was 234.9 MB in the beginning and 458.8 MB in the end (delta: 223.9 MB). Free memory was 193.2 MB in the beginning and 273.5 MB in the end (delta: -80.2 MB). Peak memory consumption was 143.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 346]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int waterLevel = 1; [L756] int methaneLevelCritical = 0; [L844] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=172, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=148, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L917] int retValue_acc ; [L918] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L922] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L923] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L924] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L383] retValue_acc = 1 [L384] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L924] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L924] tmp = valid_product() [L926] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L928] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L929] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L911] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] COND TRUE waterLevel < 2 [L774] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L67] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L93] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L301] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L93] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=-1, tmp___2=0, waterLevel=2] [L100] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L128] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L135] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L143] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L309] int tmp ; [L310] int tmp___0 ; [L311] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L794] int retValue_acc ; [L797] retValue_acc = methaneLevelCritical [L798] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L315] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] tmp = isMethaneLevelCritical() [L317] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L321] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L826] int retValue_acc ; [L829] retValue_acc = waterLevel [L830] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L321] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L321] tmp___0 = getWaterLevel() [L323] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L325] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L325] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L325] tmp___1 = isPumpRunning() [L327] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L331] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L346] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 429 SDtfs, 683 SDslu, 306 SDs, 0 SdLazy, 1673 SolverSat, 407 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 174 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...